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MAINTENANCE

Cleaning Oil Filter Screen

1.  Drain oil as listed in the “Changing the 

oil” section of this manual. 

2.  Locate and remove the Oil filter screen 

cover (1).

3.  Remove filter screen (2) from the Filter 

screen assembly. 

1

2

4.  Remove any debris from filter screen 

then rinse screen with water.

5. Dry off oil filter screen before re-

installing.  

24

Summary of Contents for 250DX

Page 1: ...cial Municipal governments have different regulations pertaining to owning and operating an off road vehicle learn the regulations in your area Model 250DX Always wear a helmet it could save your life...

Page 2: ...to operate a Dirt Bike safely Parents should supervise their child s use of the Dirt Bike at all times Parents should permit continued use only if they determine that the child has the ability to oper...

Page 3: ...n to make procedures easier or clearer to understand This manual is based on the latest product information available at the time of publication Metal Motorsports has a policy of continually improving...

Page 4: ...The engine exhaust from this Dirt Bike contains chemicals known to the state of California to cause cancer birth defects or other reproductive harm California proposition 65 WARNING IV...

Page 5: ...VE CLOTHING 14 STARTING THE ENGINE 15 STARTING OFF AND SHIFTING 16 LOAD GUIDELINES 17 AFTER MARKET PARTS 17 MAINTENANCE 18 MAINTENANCE CHART 19 MAINTENANCE RECORD 20 AIR FILTER 21 SPARK PLUG 22 ENGINE...

Page 6: ...ir or replace any original Metal Motorsports part which is covered by this warranty and is proven to be defective in workmanship or material To qualify for this warranty the part 1 Must have been purc...

Page 7: ...er not approved by Metal Motorsports 6 Tires 7 Damage or failures due to abuse neglect or misuse of the product Limitations of this Warranty This warranty does not cover and Metal Motorsports disclaim...

Page 8: ...IMPORTANT SAFETY LABELS 4 LOCATION 1 2 3 4...

Page 9: ...le while under the influence of drugs or alcohol NEVER operate this vehicle on public roads or highways NEVER carry a passenger WARNING No one under the age of 16 should operate this vehicle without a...

Page 10: ...ght Night is defined as 30 minutes before sunrise and 30 minutes after sunset All operators under the age of 16 should be supervised continually by an adult Some children even though they may be the c...

Page 11: ...Rear brake Caliper 17 Rear Brake disc 18 Muffler 19 Rear Fender 20 Carburetor 21 Spark Plug 22 Foot Brake lever 23 Oil fill plug Dip stick 24 Kick start lever 25 Rear shock 26 Rear brake master cylin...

Page 12: ...utch lever is pulled toward the hand grip Engine Stop Switch 5 Dirt Bike engine can start when the Engine stop switch is placed in the on position Engine will shut off and the engine will not start wh...

Page 13: ...gine to start Gear shift lever 2 This Dirt bike has a 4 speed transmission which is operated by the gear shift lever For proper shifting instructions refer to shifting instructions listed in the Ridin...

Page 14: ...e fuel valve to the ON position when ready to start and ride your Dirt Bike Note Fuel valve should always be placed in the OFF position when the Dirt bike is not in use Fuel Tank Cap 3 To open the fue...

Page 15: ...commended oil for this Dirt Bike is SAE15W 40 motor oil if this oil is not available any of the oils on the chart below will work Note the temperature requirements for each of the oils Quantity of oil...

Page 16: ...n process however too much stress could cause damage to the engine components Be careful not to load the engine too much Break in period Allow oil to circulate before riding Allow the Dirt Bike engine...

Page 17: ...not have mechanical problems which could result in injury or becoming stranded Make sure the Dirt Bike is in good operating condition before each ride WHAT TO CHECK CHECK FOR Steering Smoothness No re...

Page 18: ...y when riding an Dirt Bike Wear protective clothing Long sleeve shirt 3 Gloves 4 Long pants 5 over the ankle boots 6 Riding a Dirt bike exposes the rider to many hazards wearing protective clothing ca...

Page 19: ...ed in 3 Turn ignition key 3 to the ON position 4 Place the ON OFF switch 4 located on the handlebars to the ON position 5 If engine is cold place choke lever 6 in the up position 6 Start the engine by...

Page 20: ...til the RPMs are high enough to shift in 2nd gear 4 Let off the throttle pull in the clutch lever and lift up shift lever to 2nd gear 5 Repeat steps for 3rd 4th and 5th gears Note It is important to o...

Page 21: ...have a question about a modification or accessory contact your dealer or call Metal Motorsports Load guidelines including accessories Never exceed the maximum load capability of the Dirt Bike This in...

Page 22: ...ded maintenance on this Dirt Bike could be hazardous Failing to perform proper maintenance on this Dirt Bike could result in an accident Always perform the recommended maintenance for the Dirt Bike as...

Page 23: ...stem I I I I I Clutch System I I I I I Suspension I I Spark Arrestor I C every 1 000 mi or 100 hour Nuts Bolts Fastners I I I I I Wheels Tires I I I I I Valve Clearance I I Should be serviced by a ser...

Page 24: ...420 Hr 4800 480 Hr 5200 520 Hr MAINTENANCE RECORD Keeping accurate records will help ensure your dirt bike is properly maintained Keep records below whenever any maintenance is performed If any probl...

Page 25: ...se poor gas mileage low power and cause damage to the engine CAUTION Air filter removal inspection and cleaning instructions 1 Locate air filter assembly 1 under seat of dirt bike Note Seat will need...

Page 26: ...a wrench 3 Dirt can damage the engine if enters the spark plug hole Make sure the spark plug hole is covered after removing plug CAUTION 1 MAINTENANCE 22 Center electrode Side Electrode Threads Insula...

Page 27: ...ite gauge 2 level 3 If engine oil is low L add oil until oil is at the Full mark H on the dip stick and or site gauge Use the correct grade of oil as listed in this manual Do not over or under fill en...

Page 28: ...hanging the oil section of this manual 2 Locate and remove the Oil filter screen cover 1 3 Remove filter screen 2 from the Filter screen assembly 1 2 4 Remove any debris from filter screen then rinse...

Page 29: ...rk arrestor 2 Remove spark arrestor cap 2 3 Locate and remove spark arrestor screen assembly 3 4 Inspect spark arrestor screen for damage Replace screen if necessary 5 Clean carbon deposits from scree...

Page 30: ...e engine speed could rise when the handlebars are turned if there is not enough throttle play This could result in loss of control Always check throttle play before each ride Turn handlebars from side...

Page 31: ...3 Replace worn brake pads immediately Note For brake pad replacement contact a service center Brake Pad inspection Brake Fluid Check 4 3 Check the brake fluid level site gauges 1 located on the front...

Page 32: ...ont and rear brake systems 1 Remove dust and dirt from the master cylinder then remove master cylinder cap 1 2 Pump the brake lever or foot lever slowly and firmly 4 times and then hold it 3 Use an 8m...

Page 33: ...0 05mm MAINTENANCE 29 1 Clutch Lever Freeplay To ensure durability of the clutch proper lever freeplay is important Freeplay is needed to ensure the clutch is not engaged when not needed Premature cl...

Page 34: ...ocket will decrease the life of the chain 10 20mm 0 375 0 75in Chain tension Check the tension of the chain The chain 1 tension should be 10 20mm 0 375 0 75in Chain tension slack adjustment 1 Loosen t...

Page 35: ...ident Never operate this Dirt Bike with improper tire sizes or pressure WARNING Operating this Dirt Bike with worn tires could be hazardous Operating this Dirt Bike with worn tires will reduce tractio...

Page 36: ...ark plug and poor 1 tablespoon of motor oil in the spark plug hole Re install spark plug 5 Kick the starter lever approximately 5 times with the ON OFF switch in the OFF position This is to coat the i...

Page 37: ...e muffler outlet air filter intake brake cables or switches Transporting 1 Make sure fuel valve 1 is turned to the OFF position 2 Drain carburetor by turning fuel valve 1 to the off position and openi...

Page 38: ...fresh fuel Place fuel valve in the ON position Tighten spark plug Clean or replace plug Gap the plug Attach spark plug cap Place choke in the ON up position Take to a service center for repair Engine...

Page 39: ...in Drive Transmission 5 speed 1 down 4 up Clutch Manual Wet Suspension Front Type Front hydraulic Rear Type Mono shock Braking Front Brakes Type Hydraulic disc Rear Brakes Type Hydraulic disc Tires Fr...

Page 40: ...ter ing your Dirt Bike Locate the numbers and list the numbers below for your reference The 17 digit Vehicle Identification Number VIN is located on the steering neck assembly Vehicle Identification N...

Page 41: ...all scheduled maintenance or lack of maintenance records or receipts You are responsible for presenting your vehicle to an authorized dealer as soon as a problem exists The warranty repairs should be...

Page 42: ...Distributors recommended time allowance for the warranty repair and the geographically appropriate hourly rate The owner may reasonably be required to keep receipts and failed parts in order to recei...

Page 43: ...given by the Distributor except as specifically set forth herein Any emission control system warranty implied by law including any warranty of merchantability or fitness for a particular purpose is li...

Page 44: ...PO BOX 336 TEMPE AZ 85280 PHONE Toll Free 888 748 5884 FAX 888 748 5884 www metalmotor com...

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